Patent US3466924A successfully refreshed from Google Patents.
US3466924A
Expired / Lapsed
US
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Pressure vessel for calibrating sonar transducers
Assignee: United States Department of the Navy
•
Filing: 1966-12-22
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Granted: 1969-09-16
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Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 John R Roshon
- 👤 Charles E Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:51
CPC Classifications
G; G01; G01V; G01V13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2999225A
Cited
US3098211A
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US3137362A
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US3162051A
Cited
US3224246A
Cited
US3292142A
Cited
US3333236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |